Comparative evaluation of effect of metal primer and sandblasting on the shear bond strength between heat cured acrylic denture base resin and cobalt-chromium alloy: An in vitro study
Identifieur interne : 005E82 ( Ncbi/Curation ); précédent : 005E81; suivant : 005E83Comparative evaluation of effect of metal primer and sandblasting on the shear bond strength between heat cured acrylic denture base resin and cobalt-chromium alloy: An in vitro study
Auteurs : Sandeep Kalra ; Vishwas Kharsan ; Nidhi Mangtani KalraSource :
- Contemporary Clinical Dentistry [ 0976-237X ] ; 2015.
Abstract
The aim of this study was to evaluate the effect of metal primers and sandblasting on the shear bond strength (SBS) of heat cured acrylic denture base resin to cobalt-chromium (Co-Cr) alloy.
A total number of 40 disk shaped wax patterns (10 mm in diameter and 2 mm in thickness) were cast in Co-Cr alloy. Samples were divided into 4 groups depending on the surface treatment received. Group 1: No surface treatment was done and acts as control group. Group 2: Only sandblasting was done. Group 3: Only metal primer was applied. Group 4: Both metal primer and sandblasting were done. After surface treatment samples had been tested in Universal Testing Machine at crosshead speed of 0.5 mm/min in shear mode and scanning, electron microscope evaluation was done to observe the mode of failure.
All the observations obtained were analyzed statistically using software SPSS version 17; one-way analysis of variance (ANOVA) and
The one-way ANOVA indicated that SBS values varied according to type of surface treatment done. The SBS was highest (18.70 ± 1.2 MPa) when both sandblasting and metal primer was done when compared with no surface treatment (2.59 ± 0.32 MPa).
It could be concluded that the use of metal primers along with sandblasting significantly improves the bonding of heat cured acrylic denture base resin with the Co-Cr alloy.
Url:
DOI: 10.4103/0976-237X.161895
PubMed: 26321840
PubMed Central: 4549992
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Comparative evaluation of effect of metal primer and sandblasting on the shear bond strength between heat cured acrylic denture base resin and cobalt-chromium alloy: An <italic>in vitro</italic>
study</title>
<author><name sortKey="Kalra, Sandeep" sort="Kalra, Sandeep" uniqKey="Kalra S" first="Sandeep" last="Kalra">Sandeep Kalra</name>
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<author><name sortKey="Kharsan, Vishwas" sort="Kharsan, Vishwas" uniqKey="Kharsan V" first="Vishwas" last="Kharsan">Vishwas Kharsan</name>
<affiliation><nlm:aff id="aff2"><italic>Department of Prosthodontics, Nair Hospital Dental College, Mumbai, Maharashtra, India</italic>
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</affiliation>
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<author><name sortKey="Kalra, Nidhi Mangtani" sort="Kalra, Nidhi Mangtani" uniqKey="Kalra N" first="Nidhi Mangtani" last="Kalra">Nidhi Mangtani Kalra</name>
<affiliation><nlm:aff id="aff3"><italic>Department of Prosthodontics, CDER, AIIMS Hospital, New Delhi, India</italic>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Comparative evaluation of effect of metal primer and sandblasting on the shear bond strength between heat cured acrylic denture base resin and cobalt-chromium alloy: An <italic>in vitro</italic>
study</title>
<author><name sortKey="Kalra, Sandeep" sort="Kalra, Sandeep" uniqKey="Kalra S" first="Sandeep" last="Kalra">Sandeep Kalra</name>
<affiliation><nlm:aff id="aff1"></nlm:aff>
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<author><name sortKey="Kharsan, Vishwas" sort="Kharsan, Vishwas" uniqKey="Kharsan V" first="Vishwas" last="Kharsan">Vishwas Kharsan</name>
<affiliation><nlm:aff id="aff2"><italic>Department of Prosthodontics, Nair Hospital Dental College, Mumbai, Maharashtra, India</italic>
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</affiliation>
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<author><name sortKey="Kalra, Nidhi Mangtani" sort="Kalra, Nidhi Mangtani" uniqKey="Kalra N" first="Nidhi Mangtani" last="Kalra">Nidhi Mangtani Kalra</name>
<affiliation><nlm:aff id="aff3"><italic>Department of Prosthodontics, CDER, AIIMS Hospital, New Delhi, India</italic>
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<series><title level="j">Contemporary Clinical Dentistry</title>
<idno type="ISSN">0976-237X</idno>
<idno type="eISSN">0976-2361</idno>
<imprint><date when="2015">2015</date>
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<front><div type="abstract" xml:lang="en"><sec id="st1"><title>Aims:</title>
<p>The aim of this study was to evaluate the effect of metal primers and sandblasting on the shear bond strength (SBS) of heat cured acrylic denture base resin to cobalt-chromium (Co-Cr) alloy.</p>
</sec>
<sec id="st2"><title>Materials and Methods:</title>
<p>A total number of 40 disk shaped wax patterns (10 mm in diameter and 2 mm in thickness) were cast in Co-Cr alloy. Samples were divided into 4 groups depending on the surface treatment received. Group 1: No surface treatment was done and acts as control group. Group 2: Only sandblasting was done. Group 3: Only metal primer was applied. Group 4: Both metal primer and sandblasting were done. After surface treatment samples had been tested in Universal Testing Machine at crosshead speed of 0.5 mm/min in shear mode and scanning, electron microscope evaluation was done to observe the mode of failure.</p>
</sec>
<sec id="st3"><title>Statistical Analysis:</title>
<p>All the observations obtained were analyzed statistically using software SPSS version 17; one-way analysis of variance (ANOVA) and <italic>post-hoc</italic>
Tukey test were applied.</p>
</sec>
<sec id="st4"><title>Results:</title>
<p>The one-way ANOVA indicated that SBS values varied according to type of surface treatment done. The SBS was highest (18.70 ± 1.2 MPa) when both sandblasting and metal primer was done when compared with no surface treatment (2.59 ± 0.32 MPa).</p>
</sec>
<sec id="st5"><title>Conclusions:</title>
<p>It could be concluded that the use of metal primers along with sandblasting significantly improves the bonding of heat cured acrylic denture base resin with the Co-Cr alloy.</p>
</sec>
</div>
</front>
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